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BigorU [14]
3 years ago
6

Simplify. 3x(2x + 4y)

Mathematics
1 answer:
Black_prince [1.1K]3 years ago
6 0
12xy+6x^2 is the expression 3x(2x+4y) simplified
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Cho ma trận A và một sự tương ứng
algol [13]

Answer:

sorry I don't speak that language

4 0
2 years ago
The slope is -10 and it passes through (2,5)
SVETLANKA909090 [29]

Answer:

y=-10x+25

Step-by-step explanation:

7 0
3 years ago
What is the solution to the equation below? Enter the answer in the format p=#, keep your answer as a fraction if necessary. -2/
Scorpion4ik [409]

Let's solve your equation step-by-step.

-2/3p+ 1/6= 7/10

Answer:

p= -4/5

6 0
3 years ago
The figure à shown on ancient coin which was once used in china.the coin is in the shape of a circle of radius 3cm with a square
lianna [129]

Answer:

(1) 2π - x² = 0 (2) x = 2.5 cm (3) perimeter = 10 cm

Step-by-step explanation:

(1)The area of the circular coin without the inner square removed is πr² where r = 3 cm is the radius of the coin. So, the area of the coin without the inner square removed is πr² = π(3 cm)² = 9π cm²

The area of the square of x sides removed from its center is x².

The area A of the each face of the coin is thus A = 9π - x²

Since the area of each face of the coin A = 7π cm²,

then

7π = 9π - x²

9π - 7π - x² = 0

2π - x² = 0

(2) Solve the equation 2π - x² = 0

2π - x² = 0

x² = 2π

x = ±√(2π)

x = ± 2.51 cm

Since x cannot be negative, we take the positive answer.

So, x = 2.51 cm

≅ 2.5 cm

(3) Find the perimeter of the square

The perimeter of the square, p is given by p = 4x

p = 4 × 2.51 cm

= 10.04 cm

≅ 10 cm

8 0
3 years ago
Find the circumference of a circle with radius, r = 11.5m. Give your answer in terms of π .
nignag [31]

Answer:

So,

if C = 2πR

you take 2π you get 6.28

so C=6.28 x r

the radius is 11.5 so

6.28 x 11.5 = 72.2566

the circumference is 72.2566

Step-by-step explanation:


4 0
3 years ago
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